SKU: 82674703791

Vertx Coldblack® Men's Short Sleeve Polo UPF 30+ VTX4000

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Description

Vertx Coldblack® Men's Short Sleeve Polo UPF 30+ VTX4000Stay Cool and Look Sharp with Vertx Coldblack Polo When the sun is blazing, finding the perfect balance between style and comfort can be a challengeespecially if you prefer darker colors. Enter the Vertx Coldblack Men's Short Sleeve Polo VTX4000, a game changer in mens apparel designed to keep you cool without compromising on a professional appearance. Whether youre out in the field, at a casual office, or enjoying a weekend activity, this polo shirt

Stay Cool and Look Sharp with Vertx Coldblack® Polo


When the sun is blazing, finding the perfect balance between style and comfort can be a challenge—especially if you prefer darker colors. Enter the Vertx Coldblack® Men's Short Sleeve Polo VTX4000, a game-changer in men’s apparel designed to keep you cool without compromising on a professional appearance. Whether you’re out in the field, at a casual office, or enjoying a weekend activity, this polo shirt ensures you stay comfortable and look sharp all day long. The innovative Coldblack® Technology combined with moisture-wicking fabric reflects an impressive 80% of the sun’s UV rays, significantly reducing heat absorption and keeping you noticeably cooler even in the hottest conditions.


Cutting-Edge Features for Ultimate Performance


The Vertx Coldblack® Polo VTX4000 isn’t just about staying cool; it’s packed with features that enhance functionality and style. The streamlined design includes side gussets and raglan sleeves, providing unmatched comfort and complete mobility no matter what your day holds. The no-roll collar maintains a consistent, professional look, while the 3-button placket front is both stylish and practical, featuring a mic tab or sunglasses loop for added convenience. Additionally, the two 7/8” W x 5” L pencil pockets on the left sleeve are perfect for keeping pens, pencils, or other small tools within easy reach, ensuring you’re always prepared.


Key Features:

  • Relaxed Fit with Enhanced Mobility: Side gussets and raglan sleeves provide added comfort and flexibility.
  • Professional Appearance: No-roll collar maintains a sharp, consistent look.
  • Practical Front Placket: 3-button design with a loop for a mic or sunglasses.
  • Convenient Sleeve Pockets: Two spacious pockets on the left sleeve for easy access to writing instruments.
  • Superior Moisture Management: Moisture-wicking fabric keeps you cool and dry throughout the day.
  • Permanent Coldblack® Technology: Reflects 80% of the sun’s UV rays and reduces heat absorption, even in dark-colored fabrics.
  • Durable and Long-Lasting: Fade-resistant fabric with anti-microbial treatment ensures longevity and odor control.


Durable Design and Versatile Style


Built to withstand the demands of both active and professional environments, the Vertx Coldblack® Polo VTX4000 is crafted from high-quality pique knit polyester fabric that promises durability and a lasting fit. The permanent Coldblack® Technology not only keeps the shirt looking new by protecting the fabric from fading but also ensures that the cooling properties never wash out. With a minimum UPF 30+ rating, this polo provides reliable protection against harmful UV rays, making it a safe choice for prolonged outdoor activities. Available in a variety of classic colors including gray, navy, spruce green, black, red, white, and tan, and ranging in sizes from XS through 4XL, there’s a perfect fit and shade for every man.


Whether you’re navigating a demanding workday, engaging in outdoor sports, or simply enjoying a sunny day out, the Vertx Coldblack® Men's Short Sleeve Polo VTX4000 is your go-to choice for combining functionality, comfort, and style. Its breathable mesh fabric ensures high-performance ventilation, while the anti-microbial treatment keeps odors at bay, allowing you to stay fresh and confident from morning till night. Embrace the perfect blend of tactical functionality and professional elegance with this exceptional polo shirt, and experience the difference that innovative design and advanced fabric technology can make in your wardrobe.


Additional Features:

  • Breathable Mesh Fabric: Provides high-performance ventilation for maximum comfort.
  • Anti-Microbial Treatment: Long-lasting odor control with EPA registration #91742-6.
  • Fade-Resistant Fabric: Maintains color integrity even after multiple washes.
  • Versatile Color Options: Choose from a wide range of colors to match your personal style or uniform requirements.
  • Extensive Size Range: Available in sizes XS through 4XL to ensure a perfect fit for everyone.


Upgrade your wardrobe with the Vertx Coldblack® Men's Short Sleeve Polo VTX4000 and enjoy a shirt that’s as versatile and resilient as you are. Whether tackling a tough job, enjoying outdoor activities, or simply seeking a comfortable and stylish everyday polo, this shirt delivers unparalleled performance and timeless style. Stay cool, look professional, and move with ease in the Vertx Coldblack® Polo—your ultimate companion for any occasion.


UPC MPN SKU COLOR LENGTH SIZE STOCKED ORIGIN
720327402379 VTX4000PBK2XL VTX-VTX4000PBK2XL Black Regular 2XL Y HN
720327402386 VTX4000PBK3XL VTX-VTX4000PBK3XL Black Regular 3XL Y HN
720327402393 VTX4000PBK4XL VTX-VTX4000PBK4XL Black Regular 4XL Y HN
720327402409 VTX4000PBKLARGE VTX-VTX4000PBKLARGE Black Regular Large Y HN
720327402416 VTX4000PBKMEDIUM VTX-VTX4000PBKMEDIUM Black Regular Medium Y HN
720327402423 VTX4000PBKSMALL VTX-VTX4000PBKSMALL Black Regular Small Y HN
720327402430 VTX4000PBKXLARGE VTX-VTX4000PBKXLARGE Black Regular XL Y HN
720327402447 VTX4000PBKXSMALL VTX-VTX4000PBKXSMALL Black Regular XS N HN
720327715073 VTX4000PGY2XL VTX-VTX4000PGY2XL Gray Regular 2XL N HN
720327715080 VTX4000PGY3XL VTX-VTX4000PGY3XL Gray Regular 3XL N HN
720327715097 VTX4000PGY4XL VTX-VTX4000PGY4XL Gray Regular 4XL N HN
720327715103 VTX4000PGYLARGE VTX-VTX4000PGYLARGE Gray Regular Large N HN
720327715110 VTX4000PGYMEDIUM VTX-VTX4000PGYMEDIUM Gray Regular Medium Y HN
720327715127 VTX4000PGYSMALL VTX-VTX4000PGYSMALL Gray Regular Small N HN
720327715134 VTX4000PGYXLARGE VTX-VTX4000PGYXLARGE Gray Regular XL Y HN
720327715141 VTX4000PGYXSMALL VTX-VTX4000PGYXSMALL Gray Regular XS N HN
460399416538 VTX4000PLTG2XL VTX-VTX4000PLTG2XL Light Grey Regular 2XL N HN
460399416545 VTX4000PLTG3XL VTX-VTX4000PLTG3XL Light Grey Regular 3XL N HN
460399416552 VTX4000PLTG4XL VTX-VTX4000PLTG4XL Light Grey Regular 4XL N HN
460399416569 VTX4000PLTGLARGE VTX-VTX4000PLTGLARGE Light Grey Regular Large N HN
460399416576 VTX4000PLTGMEDIUM VTX-VTX4000PLTGMEDIUM Light Grey Regular Medium N HN
460399416583 VTX4000PLTGSMALL VTX-VTX4000PLTGSMALL Light Grey Regular Small N HN
460399416590 VTX4000PLTGXLARGE VTX-VTX4000PLTGXLARGE Light Grey Regular XL N HN
460399416606 VTX4000PLTGXSMALL VTX-VTX4000PLTGXSMALL Light Grey Regular XS N HN
720327402041 VTX4000PNV2XL VTX-VTX4000PNV2XL Navy Regular 2XL Y HN
720327402058 VTX4000PNV3XL VTX-VTX4000PNV3XL Navy Regular 3XL Y HN
720327402065 VTX4000PNV4XL VTX-VTX4000PNV4XL Navy Regular 4XL N HN
720327402072 VTX4000PNVLARGE VTX-VTX4000PNVLARGE Navy Regular Large Y HN
720327402089 VTX4000PNVMEDIUM VTX-VTX4000PNVMEDIUM Navy Regular Medium Y HN
720327402096 VTX4000PNVSMALL VTX-VTX4000PNVSMALL Navy Regular Small Y HN
720327402102 VTX4000PNVXLARGE VTX-VTX4000PNVXLARGE Navy Regular XL Y HN
720327402119 VTX4000PNVXSMALL VTX-VTX4000PNVXSMALL Navy Regular XS Y HN
720327403635 VTX4000PRD2XL VTX-VTX4000PRD2XL Red Regular 2XL N HN
720327403642 VTX4000PRD3XL VTX-VTX4000PRD3XL Red Regular 3XL N HN
720327403659 VTX4000PRD4XL VTX-VTX4000PRD4XL Red Regular 4XL N HN
720327403628 VTX4000PRDLARGE VTX-VTX4000PRDLARGE Red Regular Large Y HN
720327403666 VTX4000PRDMEDIUM VTX-VTX4000PRDMEDIUM Red Regular Medium N HN
720327403673 VTX4000PRDSMALL VTX-VTX4000PRDSMALL Red Regular Small N HN
720327403680 VTX4000PRDXLARGE VTX-VTX4000PRDXLARGE Red Regular XL N HN
720327403697 VTX4000PRDXSMALL VTX-VTX4000PRDXSMALL Red Regular XS N HN
720327784338 VTX4000PSG2XL VTX-VTX4000PSG2XL Spruce Green Regular 2XL N HN
720327784345 VTX4000PSG3XL VTX-VTX4000PSG3XL Spruce Green Regular 3XL N HN
720327784352 VTX4000PSG4XL VTX-VTX4000PSG4XL Spruce Green Regular 4XL N HN
720327784369 VTX4000PSGLARGE VTX-VTX4000PSGLARGE Spruce Green Regular Large N HN
720327784376 VTX4000PSGMEDIUM VTX-VTX4000PSGMEDIUM Spruce Green Regular Medium N HN
720327784383 VTX4000PSGSMALL VTX-VTX4000PSGSMALL Spruce Green Regular Small N HN
720327784390 VTX4000PSGXLARGE VTX-VTX4000PSGXLARGE Spruce Green Regular XL Y HN
720327784406 VTX4000PSGXSMALL VTX-VTX4000PSGXSMALL Spruce Green Regular XS N HN
720327403710 VTX4000PTN2XL VTX-VTX4000PTN2XL Tan Regular 2XL N HN
720327403727 VTX4000PTN3XL VTX-VTX4000PTN3XL Tan Regular 3XL N HN
720327403734 VTX4000PTN4XL VTX-VTX4000PTN4XL Tan Regular 4XL N HN
720327403703 VTX4000PTNLARGE VTX-VTX4000PTNLARGE Tan Regular Large N HN
720327403741 VTX4000PTNMEDIUM VTX-VTX4000PTNMEDIUM Tan Regular Medium N HN
720327403758 VTX4000PTNSMALL VTX-VTX4000PTNSMALL Tan Regular Small N HN
3 VTX4000PTNVLARGE VTX-VTX4000PTNVLARGE Navy Long Large Y HN
720327403765 VTX4000PTNXLARGE VTX-VTX4000PTNXLARGE Tan Regular XL N HN
720327403772 VTX4000PTNXSMALL VTX-VTX4000PTNXSMALL Tan Regular XS N HN
720327403796 VTX4000PWH2XL VTX-VTX4000PWH2XL White Regular 2XL Y HN
720327403802 VTX4000PWH3XL VTX-VTX4000PWH3XL White Regular 3XL N HN
720327403819 VTX4000PWH4XL VTX-VTX4000PWH4XL White Regular 4XL N HN
720327403789 VTX4000PWHLARGE VTX-VTX4000PWHLARGE White Regular Large Y HN
720327403826 VTX4000PWHMEDIUM VTX-VTX4000PWHMEDIUM White Regular Medium Y HN
720327403833 VTX4000PWHSMALL VTX-VTX4000PWHSMALL White Regular Small N HN
720327403840 VTX4000PWHXLARGE VTX-VTX4000PWHXLARGE White Regular XL Y HN
720327403857 VTX4000PWHXSMALL VTX-VTX4000PWHXSMALL White Regular XS N HN
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4.7 ★★★★★
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Par
Lowell, US
★★★★★ 5
Excellent book on ML
Format: Paperback
This is a great book on machine learning. Topics covered are extensive - from beginner level to advanced topics including math behind different algorithms. However, not "all" algorithms are covered. Please go through the table of contents. The first part - 11 chapters - covers machine learning concepts and second part covers advanced topics with Pytorch. There are lots of excellent code and they work!! The quality of the book I received is excellent. I have gone through all 742 pages, and it has held up very well!! I used Jupyter notebook to run all examples. I created a new notebook and copied and pasted the code and ran them. This approach worked very well for me. At the same time, I could experiment with my take on the code snippets and definitely added to my knowledge. Only issue I have is on the second part of the book discussing PyTorch: (1) Some packages are a bit older version: e.g., transformer 4.9.1 whereas current version is 4.48+. It took some tweaking/recoding to get the examples working. (2) There is not much discussion on why certain architecture was chosen - e.g., number of layers, is there a rule of thumb on how to improve performance by changing these parameters? Even with CUDA the code run for a long time. Therefore, experimenting with different values of parameters become too time consuming. (3) On the same note, if I can achieve test accuracy of 90%+ using logistic regression and almost the same (perhaps one or two percent better with PyTorch with IMDB movie review dataset and that two much faster why should I use PyTorch for this dataset? Obviously, PyTorch is for certain types of problems. Discussions can be included by not adding to the exhaustive (and apt) contents. Personally I was disappointed by lack of any example on time series. Must have for ML practitioner as a reference and guide.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 20, 2024
R
Verified Purchase
Richard Hackathorn
Louisville, US
★★★★★ 5
Excellent Textbook for Hands-On Learning of ML
Format: Kindle
This textbook is for the serious life-long learners of machine learning. There are at least two ways to ‘consume’ this book. For the expert in ML, this is a textbook to study as a clear comprehensive ML overview and then to dive into sections of interest or ignorance. The concepts are grounded in code examples and are well cited (with links) to sources. Further, this textbook is appropriate if you are TensorFlow-centric and want to broaden into cutting-edge ML models/tools coded in PyTorch. For a new learner to ML, this is a textbook to DO (not just READ) with hands-on and brain-engaged. If you realize that ML is a key life-long skill for your career, consider this textbook as part of a daily learning habit (10-30 min). From personal experience, my advice to the new learner is as follows… First, clone the GitHub repository, setup your Python environment, and study the textbook, while working through the notebooks. Go on tangents and break the code. Do this methodically as part of your daily learning habit, but do not hesitate to jump ahead several chapters to prepare for tomorrow’s meeting. There is enough excellent material here for a full year of ML adventures. I did a similar strategy with Raschka’s first textbook. About four years ago, I had finished Andrew Ng’s Deep Learning Specialization as a student in his first cohort. I knew the concepts well but could not do the actual application coding. I was surprised how my Python coding improved by following Raschka’s clean and elegant style. And Raschka’s code examples were meaty enough to be springboards into working applications. Several textbook editions later, what is different about this new edition? First, it moves you through scikit-Learn (a firm foundation) to PyTorch, instead of TensorFlow. PyTorch is a better stepping-stone, both conceptually and practically. With PyTorch, you will go further with less energy, while being able to convert your efforts into TensorFlow as needed. In addition, most of the cutting-edge ML/AI/DL research is in PyTorch. It is nice to read a recent arXiv paper, clone their repository, click on the Colab tutorial, and replicate their experiments, along with picking up a ton of new coding tricks & tips. I am excited to work through these PyTorch sections to hone my skills. Second, there is a clear recognition of model tracking and tuning practices. This is often a gap in other ML textbooks and courses. Once you progress beyond the simple demo examples in a lecture, you realize that the real work is experiments, more experiments, and still more experiments, so that you must understand what the model architecture and hyperparameters are doing to your dataset. There is good coverage of scikit-Learn pipeline, grid search, model performance, and the like. Third, ML/AI/DL practice is rapidly evolving. Every week new ML packages/services become available that could save much grief on your current project. What is refreshing about Raschka’s textbook series is that he constantly adding cutting-edge topics because he likes to stay current and to help us stay current. Hence, this edition contains recent ML treats as: transformers, self-supervised learning, autoencoders-to-GAN, graph neural networks, DBSCAN, t-SNE (with brief mention of UMAP), and PyTorch-Lightning.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2022
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Verified Purchase
Amazon Customer
Lake Worth, US
★★★★★ 4
Just learning it
Format: Paperback
Nice learning book just have to finish it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 10, 2025
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Verified Purchase
Kindle Customer
Phoenix, US
★★★★★ 5
Very useful book
Format: Paperback
I use it for the machine learning class I teach.
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Reviewed in the United States on May 3, 2026
T
Verified Purchase
Tommy Jonsson
Lake Worth, US
★★★★★ 5
Cover many areas in detail and recommendations for more to read for what's outside
Format: Paperback
Good book!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026

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